Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 551 [Rate centres in NPA 551] [Dial plan for NPA 551]

NXX: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
551-788 A Park Ridge NJ JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224      
551-788 0 Park Ridge NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224      
551-788 1 Park Ridge NJ NWRKNJ0248Z  118F BANDWIDTH.COM CLEC, LLC - NJ 224      
551-788 2 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-788 3 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-788 4 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-788 5 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-788 6 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-788 7 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      
551-788 8 Park Ridge NJ JRCYNJ65DMD  516J TON80 COMMUNICATIONS, LLC 224      
551-788 9 Park Ridge NJ NWRKNJMDDSK  637C ONVOY, LLC - NJ 224      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.